You may be tempted to test your testosterone levels using one of the home testosterone testing products youâve seen advertised. Before you try a test kit, make sure you understand: how it works. how reliable it is. what information it will give you. what to do with your results.
Price of a Stamp. The current price of a first class stamp is 49 cents. A domestic first class letter (1 oz.) is 49 cents. The price of each additional ounce is 21 cents. It will cost you 34 cents to send a domestic postcard. Postage Rate Timeline.
By Patch Editor Judy Putnam. This week, the cost to mail a first-class single-piece letter jumped from 46 cents to 49 cents. The cost of a book of 20 stamps rose from $9.20 to $9.80.